Preventing Clock Stretching in Phyworks' Reference Designs
摘要 :In the Phyworks PHY1070/PHY1071/PHY1075/PHY1076 family's SFP module reference design, an Atmel® ATMega8 or ATMega88 microcontroller (MCU) implements the optical transceivers' digital diagnostics functions. As the MCUs do not support clock stretching, this application note discusses techniques that eliminate it in firmware for the ATMega8/ATMega88.
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